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Agriculture, Fisheries and Aquaculture. (2) |
Biology, Ecology. (1) |
Biology, Zoology. (1) |
Biotic communities. (1) |
Caddo Lake (La. and Tex.) (1) |
Fishes Mercury content Texas. (1) |
Fishes Speciation. (1) |
Largemouth bass Texas. (1) |
Stream animals. (1) |